Slingshot is about the United States that has been turned into a whole, calling it the Federal United Colony. Joseph Reynolds is one of the wealthy boys who spend time relaxing and going to school in Livingston. While at the other half where the gates separate poor and wealthy, Shiloh Winston is a teenage girl who fights to survive in the slums of Everyday. When an army of the Everyday show up, what will Livingston do to maintain their so called, "life?" The two, Shiloh and Joseph clash, but one of them learns the truth of Livingston.